Extreme Output Dist. Cap, GM HEI 84111 Team C Performance Center DISTRIBUTOR CAP FITS ALL GM HEI DISTRIBUTORS RED Hume Performance MSD 84263 Black Distributor Cap, GM HEI, Late Model, Ext Coil Gm Hei Distributor Cap Wiring at Lilian Dixson blog. With the introduction of our 20 Amp Extreme HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit our HEI Pro Billet Distributor, PN 8365. Details: Distributor Type: HEI Emission Code: 5 Mounting Type: Screw Down Warranty: Manufacturer's Limited 1 Year Warranty